Insulated Glass Features: 1.Avoiding frost and dew, its dew point is low to -40C. 2.High efficiency in energy saving and environment protection. It is an efficient energy saving building material because of its high performance in heat insulation. 3.Wonderful performance in visible light transmission. 4.Good characteristic of sound-proofing and heat protection. 5.Its insulation layer could resist electric current. Specification as per customer's requirement. Application: can be used for windows, doors,glass curtain wall etc. Fresh paper between every two pieces then package in wooden crates.